Reported tick-borne encephalitis surveillance for Latvia (LVA) — ≈ Stable · 2025 — latest record 2026-11-05
As of 30 September 2026, Latvia has reported 155 tick-borne encephalitis cases in 2026, as published by SPKC INF010. The full year 2025 closed at 186 cases. 2025 closed 13% below the 2023–2024 average, which is why the trend reads “≈ Stable”.
Of the 8 countries reporting tick-borne encephalitis to ENCLAI in 2026, Latvia accounts for 6.4% of reported cases and ranks 5 by case count.
ENCLAI has logged 147 surveillance records for tick-borne encephalitis in Latvia in 2026, with the most detailed reporting in Oct 2026 (112 records). 4 of those arrived in the last 30 days; the case counts run to 2026-09-30. 2 distinct surveillance sources reported this pair in 2026.
Reporting authorities for these counts: SPKC INF010 — Latvia infectious & parasitic diseases by statistical region
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| Year | Reported cases | Share of worldwide reports |
|---|---|---|
| 2023 | 262 | 16.5% |
| 2024 | 166 | 3.3% |
| 2025 | 186 | 4.6% |
| 2026 (year to date) | 155 | 6.4% |
Reporting bounds and case definitions vary; historical baselines are a separate comparison measure. Worldwide share compares this country's reported figure with the sum of all countries reporting tick-borne encephalitis to ENCLAI for that year. "Incomplete year" means our sources cover less than ten months of that year, so no full-year figure is shown; "outbreak total to date" is a running total since an outbreak began, not a count for one year.
| Month | Records | Reporting sources |
|---|---|---|
| May 2026 | 28 | 1 |
| Jul 2026 | 6 | 2 |
| Oct 2026 | 112 | 1 |
| Nov 2026 | 1 | 1 |
A record is one dated surveillance publication or one row of an official table; a month with many records is a month with detailed reporting, not necessarily more cases. 4 records were logged in the last 30 days.
Areas within Latvia with the most tick-borne encephalitis records this year:
| Area | Records |
|---|---|
| Latgale statistical region | 9 |
| Rīga statistical region | 9 |
| Zemgale statistical region | 9 |
| Kurzeme statistical region | 3 |
| Vidzeme statistical region | 3 |
| Country | 2026 cases | Trend |
|---|---|---|
| Poland | 905 | ≈ Stable · 2025 |
| Finland | 461 | ≈ Stable · 2025 |
| Switzerland | 399 | ▲ Rising · 2025 |
| Lithuania | 378 | ▲ Rising · 2025 |
| Slovenia | 70 |
| Disease | 2026 cases | Trend |
|---|---|---|
| Viral gastroenteritis, unspecified | 2,147 | ≈ Stable · 2025 |
| Rotavirus enteritis | 879 | ≈ Stable · 2025 |
| Chlamydia infection | 639 | ▼ Declining · 2025 |
| Non-typhoidal salmonellosis | 587 | ▲ Rising · 2025 |
| Whooping cough (pertussis) | 505 | ▲ Rising · 2025 |
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